有可能是这个return "error"的影响会报错

ruoyi-weixin/src/main/java/com/ruoyi/wx/cp/error/ErrorController.java

@@ -18,12 +18,12 @@ public class ErrorController {
 
   @GetMapping(value = "/404")
   public String error404() {
-    return "error";
+    return "err";
   }
 
   @GetMapping(value = "/500")
   public String error500() {
-    return "error";
+    return "err";
   }
 
 }